Lv2ControlBase: Remove unused virtuals

They were never used. Possibly they were just in the code because the
code originated from LMMS#4662 (where the virtuals would also be
omittable...).

include/Lv2ControlBase.h

@@ -142,11 +142,6 @@ class LMMS_EXPORT Lv2ControlBase : public LinkedModelGroups
 		const class TimePos &time, f_cnt_t offset);
 
 private:
-	//! Return the DataFile settings type
-	virtual DataFile::Types settingsType() = 0;
-	//! Inform the plugin about a file name change
-	virtual void setNameFromFile(const QString &fname) = 0;
-
 	//! Independent processors
 	//! If this is a mono effect, the vector will have size 2 in order to
 	//! fulfill LMMS' requirement of having stereo input and output

plugins/Lv2Effect/Lv2FxControls.cpp

@@ -86,20 +86,4 @@ void Lv2FxControls::changeControl() // TODO: what is that?
 }
 
 
-
-
-DataFile::Types Lv2FxControls::settingsType()
-{
-	return DataFile::EffectSettings;
-}
-
-
-
-
-void Lv2FxControls::setNameFromFile(const QString &name)
-{
-	effect()->setDisplayName(name);
-}
-
-
 } // namespace lmms

plugins/Lv2Effect/Lv2FxControls.h

@@ -60,9 +60,6 @@ private slots:
 	void changeControl();
 
 private:
-	DataFile::Types settingsType() override;
-	void setNameFromFile(const QString &name) override;
-
 	friend class gui::Lv2FxControlDialog;
 	friend class Lv2Effect;
 };

plugins/Lv2Instrument/Lv2Instrument.cpp

@@ -196,25 +196,9 @@ QString Lv2Instrument::nodeName() const
 
 
 
-DataFile::Types Lv2Instrument::settingsType()
-{
-	return DataFile::InstrumentTrackSettings;
-}
-
-
-
-
-void Lv2Instrument::setNameFromFile(const QString &name)
-{
-	instrumentTrack()->setName(name);
-}
-
-
-
 namespace gui
 {
 
-
 /*
 	Lv2InsView
 */

plugins/Lv2Instrument/Lv2Instrument.h

@@ -97,8 +97,6 @@ private slots:
 
 private:
 	QString nodeName() const override;
-	DataFile::Types settingsType() override;
-	void setNameFromFile(const QString &name) override;
 
 #ifdef LV2_INSTRUMENT_USE_MIDI
 	std::array<int, NumKeys> m_runningNotes = {};